<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar fixed title="文章详情" left-arrow @click-left="$router.back()" />

    <!-- 文章信息区域 -->
    <div class="article-container">
      <!-- 文章标题 -->
      <h1 class="art-title">{{ artObj.title }}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="artObj.aut_name" :label="formatTime(artObj.pubdate)">
        <template #icon>
          <img :src="artObj.aut_photo" alt="" class="avatar">
        </template>
        <template #default>
          <div>
            <van-button type="info" size="mini" v-if="artObj.is_followed" @click="followedFn(true)">已关注</van-button>
            <van-button icon="plus" type="info" v-else size="mini" plain @click="followedFn(false)">关注</van-button>
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" ref="artContent" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <!-- attitude:   -1:无态度     0:不喜欢    1-点赞    -->
      <div class="like-box" ref="likeBox">
        <van-button icon="good-job" type="danger" size="small" v-if="artObj.attitude === 1" @click="articleGood(true)">已点赞</van-button>
        <van-button icon="good-job-o" type="danger" plain size="small" v-else @click="articleGood(false)" >点赞</van-button>
      </div>
    </div>

    <div>
     <!-- 文章xinxi评论区域 -->
    <CommentList ></CommentList>
    </div>
  </div>
</template>

<script>
import { ArticleDetailAPI, userFollowedAPI, unFollowedAPI, articleGood, articleUnGood } from '@/api/index.js'
import { timeAgo } from '@/utils/date.js'
import CommentList from './CommentList.vue'
export default {
  name: 'Detail',
  data() {
    return {
      artObj: [] // 文章详情列表
    }
  },
  methods: {
    formatTime: timeAgo, // 函数体就是timtAgo
    // 文章详情接口列表
    async ArticleDetail() {
      const { data: res } = await ArticleDetailAPI(this.$route.query.art_id)
      this.artObj = res.data
      console.log(res)
    },

    // 关注或者取关
    async followedFn(bool) {
      if (bool === true) {
        // 用户点击“已关注按钮”上面 ===>取关=>取关接口=>页面显示关注
        this.artObj.is_followed = false
        const res = await unFollowedAPI(this.artObj.aut_id)
        console.log(res)
      } else {
        // 点击关注 => 关注接口=>页面显示已关注
        this.artObj.is_followed = true
        const res = await userFollowedAPI(this.artObj.aut_id)
        console.log(res)
      }
    },

    // 点赞或者取消点赞
    async articleGood(bool) {
      if (bool === true) {
        this.artObj.attitude = 0
        const res = await articleUnGood(this.artObj.art_id) // 当前是点赞状态，点击取消点赞
        console.log(res)
      } else {
        this.artObj.attitude = 1
        const res = await articleGood(this.artObj.art_id) // 当前是取消点赞状态，点击点赞
        console.log(res)
      }
    }
  },
  created() {
    this.ArticleDetail()
  },
  components: {
    CommentList
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
    /deep/ img{
      width: 100%;
    }
    /deep/ pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }
}
.van-cell {
     padding: 5px 0;
     &::after {
       display: none;
     }
   }

   .avatar {
     width: 60px;
     height: 60px;
     border-radius: 50%;
     background-color: #f8f8f8;
     margin-right: 5px;
     border: none;
   }

   .like-box {
     display: flex;
     justify-content: center;
   }
   </style>
